From patchwork Mon Nov 25 09:33:03 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Ying X-Patchwork-Id: 13884633 Received: from EUR02-DB5-obe.outbound.protection.outlook.com (mail-db5eur02on2043.outbound.protection.outlook.com [40.107.249.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 87E541922C6 for ; Mon, 25 Nov 2024 09:33:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.249.43 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732527236; cv=fail; b=iGowqzjVi6I/iNrglwpavBt7hj5xYr7BhFdAiUXcdj3+hNBu1NzVYZd2bRGUgLpaCw8NotXRqjXNhnCAUpSx3NU23UMZqrAdmEqgGT9KviSN35QInnXSvQTwc/BzlVkbsdwjVnwvsh/knm41Kkapj5g4q47GfMWl9onqzxsxHa8= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732527236; c=relaxed/simple; bh=x0x5bULOtYYkTEuTlkpMRYTgOeltmj37pfmncH+8dQo=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: Content-Type:MIME-Version; b=ODoICeft1vuefB9xXt+vWATlH4A89ZRtcZFxqYQpeuy3u0CH7G0cROXmjoGTyGPp9QUHi5yA2D7IqqUXsaGxDomjXvHHORrm+wjDb5WnyP+Bva3qbscP0hK7XDOTuUZSBPpxkylEwQoaUI22V/P4YTIifVC/SPMvVUyeg925edA= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com; spf=pass smtp.mailfrom=nxp.com; dkim=pass (2048-bit key) header.d=nxp.com header.i=@nxp.com header.b=eQKjXPEm; arc=fail smtp.client-ip=40.107.249.43 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nxp.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=nxp.com header.i=@nxp.com header.b="eQKjXPEm" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=Q1cEz07s0mc24MeTseyjzV9CslGRLffFpg3PLr7KSAwPwtAQqhd7vbx8Vg2oLwRN0xKCirRRfoUx2x9J8tUnDvefJ4pXOm8pxbfv26JzC6Z59yGAiURhGGbbgoCzqsZn/k7nofwUQg3aRM2q1gzwNoJljMG4H+J/VfycvZaz6cF3OyMLiI0W9GUvEqCgfGm75bpuEsnN2ad/HUy+GltfmpQcQnbcfBVzPanXy9yO+g0/uTDQog0ht27YKJ6G6SU8PVNAXzFxgPp7+e/734BwTSI5rCtsBWWYB7xaKYYVFdai2mcaeBwRhjCexze6mG9IJKvIXbgSu/kGoyRI9VpxWQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=0I5FyeBk8jMYDJ6WmZ2e2HaqvaP/Fo5SJbZIyerfwoY=; b=yXu6qtesr18Ajkm86IB0otJW0sweuuCQ74SGBbKpAVMfJGMCKNOsH55BQW0XfwTU4COsHvGdPFQZA/ktwCQ/h7tdszTVsVLl4U8XR/LhYC39MdxJE00eXFh/luH5uG2P7iAScS+iW8IwLrk8l3robsZNlstvMuwRkYPnTh0uyuLhdTl7Ve3EBW61mxGy/FGf6SF/XHJOZ9bto85DB+PdKrjnd3skKwA73i/8YJoy8wtoJkyo/RCv90KkKxST1ZRW1zi08hX0oUGRNJ89buO5hgw2J+aWAWprFhhS3e6U0cSXeF1KGJp09m8+RBn9qaaidpo0i5fGL+lZrZMOujLc6Q== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=0I5FyeBk8jMYDJ6WmZ2e2HaqvaP/Fo5SJbZIyerfwoY=; b=eQKjXPEmYPGyIB9LHifpqtwhHYHS7k8RUI/MagbWxxX6t6Qp/sZwC1zc/N+qgu0FMdKO6XmHAitg+GhiZNGmPRBL8DLJbJE+xKPTExKh7uDkbel+BYmVjGdTf7cWvjynHAXKDROUr/3P1MKFMDCfqUFd1v+R0tx0CThEUzB6Kt5DAb3MVjxTUhELBGS62J3I3OrmhY2k8dGjrrrW12QuDTcpznwX4KkM4axWc7c71oXMbqscaAPDPQJVszy5/P1KPug/e5xCKLxvS3aa2/xaCTwxPBg0Nj5fsuu/Nre4XwR/VPWDq+3Dty6ZVP2WraeSjNfUeRopkikl2HbGYqEifw== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from AM7PR04MB7046.eurprd04.prod.outlook.com (2603:10a6:20b:113::22) by DB8PR04MB6825.eurprd04.prod.outlook.com (2603:10a6:10:112::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8182.20; Mon, 25 Nov 2024 09:33:51 +0000 Received: from AM7PR04MB7046.eurprd04.prod.outlook.com ([fe80::d1ce:ea15:6648:6f90]) by AM7PR04MB7046.eurprd04.prod.outlook.com ([fe80::d1ce:ea15:6648:6f90%6]) with mapi id 15.20.8182.019; Mon, 25 Nov 2024 09:33:51 +0000 From: Liu Ying To: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org Cc: p.zabel@pengutronix.de, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, glx@linutronix.de, vkoul@kernel.org, kishon@kernel.org, aisheng.dong@nxp.com, agx@sigxcpu.org, francesco@dolcini.it, frank.li@nxp.com, dmitry.baryshkov@linaro.org Subject: [PATCH v4 06/19] dt-bindings: display: imx: Add i.MX8qxp Display Controller command sequencer Date: Mon, 25 Nov 2024 17:33:03 +0800 Message-Id: <20241125093316.2357162-7-victor.liu@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241125093316.2357162-1-victor.liu@nxp.com> References: <20241125093316.2357162-1-victor.liu@nxp.com> X-ClientProxiedBy: SG2PR01CA0131.apcprd01.prod.exchangelabs.com (2603:1096:4:40::35) To AM7PR04MB7046.eurprd04.prod.outlook.com (2603:10a6:20b:113::22) Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM7PR04MB7046:EE_|DB8PR04MB6825:EE_ X-MS-Office365-Filtering-Correlation-Id: b8438431-3139-4770-664b-08dd0d344552 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|52116014|7416014|1800799024|366016|38350700014; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AM7PR04MB7046.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(52116014)(7416014)(1800799024)(366016)(38350700014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: b8438431-3139-4770-664b-08dd0d344552 X-MS-Exchange-CrossTenant-AuthSource: AM7PR04MB7046.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Nov 2024 09:33:51.1121 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: JgD43DY4RiaeDmXq+Q3Kj/9E8ghOH7lmZ3JWTJUCWUtdoQm+/p+t1ar/UuTdI1d61SLqf9j0XlSg7C2CSylskA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB8PR04MB6825 i.MX8qxp Display Controller contains a command sequencer is designed to autonomously process command lists. Signed-off-by: Liu Ying --- v4: * Replace "fsl,iram" property with standard "sram" property. (Rob) v3: * New patch. (Rob) .../imx/fsl,imx8qxp-dc-command-sequencer.yaml | 67 +++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-command-sequencer.yaml diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-command-sequencer.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-command-sequencer.yaml new file mode 100644 index 000000000000..27118f4c0d28 --- /dev/null +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-command-sequencer.yaml @@ -0,0 +1,67 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-command-sequencer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qxp Display Controller Command Sequencer + +description: | + The Command Sequencer is designed to autonomously process command lists. + By that it can load setups into the DC configuration and synchronize to + hardware events. This releases a system's CPU from workload, because it + does not need to wait for certain events. Also it simplifies SW architecture, + because no interrupt handlers are required. Setups are read via AXI bus, + while write access to configuration registers occurs directly via an internal + bus. This saves bandwidth for the AXI interconnect and improves the system + architecture in terms of safety aspects. + +maintainers: + - Liu Ying + +properties: + compatible: + const: fsl,imx8qxp-dc-command-sequencer + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + interrupts: + maxItems: 5 + + interrupt-names: + items: + - const: error + - const: sw0 + - const: sw1 + - const: sw2 + - const: sw3 + + sram: + $ref: /schemas/types.yaml#/definitions/phandle + description: phandle pointing to the mmio-sram device node + +required: + - compatible + - reg + - clocks + - interrupts + - interrupt-names + +additionalProperties: false + +examples: + - | + #include + + command-sequencer@56180400 { + compatible = "fsl,imx8qxp-dc-command-sequencer"; + reg = <0x56180400 0x1a4>; + clocks = <&dc0_lpcg IMX_LPCG_CLK_5>; + interrupt-parent = <&dc0_intc>; + interrupts = <36>, <37>, <38>, <39>, <40>; + interrupt-names = "error", "sw0", "sw1", "sw2", "sw3"; + };